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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /libnetdata/dictionary/dictionary.h | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-2dec20452b290c484d509f7ac9a29b38cf690223.tar.xz netdata-2dec20452b290c484d509f7ac9a29b38cf690223.zip |
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libnetdata/dictionary/dictionary.h')
-rw-r--r-- | libnetdata/dictionary/dictionary.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libnetdata/dictionary/dictionary.h b/libnetdata/dictionary/dictionary.h new file mode 100644 index 000000000..61b9bfc61 --- /dev/null +++ b/libnetdata/dictionary/dictionary.h @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_DICTIONARY_H +#define NETDATA_DICTIONARY_H 1 + +#include "../libnetdata.h" + +struct dictionary_stats { + unsigned long long inserts; + unsigned long long deletes; + unsigned long long searches; + unsigned long long entries; +}; + +typedef struct name_value { + avl avl; // the index - this has to be first! + + uint32_t hash; // a simple hash to speed up searching + // we first compare hashes, and only if the hashes are equal we do string comparisons + + char *name; + void *value; +} NAME_VALUE; + +typedef struct dictionary { + avl_tree values_index; + + uint8_t flags; + + struct dictionary_stats *stats; + netdata_rwlock_t *rwlock; +} DICTIONARY; + +#define DICTIONARY_FLAG_DEFAULT 0x00000000 +#define DICTIONARY_FLAG_SINGLE_THREADED 0x00000001 +#define DICTIONARY_FLAG_VALUE_LINK_DONT_CLONE 0x00000002 +#define DICTIONARY_FLAG_NAME_LINK_DONT_CLONE 0x00000004 +#define DICTIONARY_FLAG_WITH_STATISTICS 0x00000008 + +extern DICTIONARY *dictionary_create(uint8_t flags); +extern void dictionary_destroy(DICTIONARY *dict); +extern void *dictionary_set(DICTIONARY *dict, const char *name, void *value, size_t value_len) NEVERNULL; +extern void *dictionary_get(DICTIONARY *dict, const char *name); +extern int dictionary_del(DICTIONARY *dict, const char *name); + +extern int dictionary_get_all(DICTIONARY *dict, int (*callback)(void *entry, void *d), void *data); + +#endif /* NETDATA_DICTIONARY_H */ |